The approximate age of a woman whose normal systolic pressure measures 125 mm Hg is 31
The function is given as:

When the normal systolic pressure is 125, it means that:

So, we have:

Subtract 125 from both sides of the equation


Rewrite the equation as:

Using a graphing calculator, we have:

But age cannot be negative.
So, we have:

Approximate

Hence, the age of the woman is 31
Read more about quadratic functions at:
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Answer:
25
Step-by-step explanation:

Hence 11% represents 25 students.
x ≈ 59°
Work is on piece of paper, yet I don't have a phone. I'm certain that is the answer.
By subtracting c on both sides